AutoCodes – Mercedes-Benz – P2111 Mercedes-Benz

P2111 Mercedes-Benz Code - Throttle Actuator 'A' Control System Stuck Open

Quick Answer

The electronic throttle control system can monitor the system operation in manner ways. Common causes include Faulty Throttle Positioner Motor, Throttle Positioner Motor harness is open or shorted, Throttle Positioner Motor circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: P2111 Mercedes-Benz indicates Throttle Actuator 'A' Control System Stuck Open.
Common causes: Common causes include Faulty Throttle Positioner Motor, Throttle Positioner Motor harness is open or shorted, Throttle Positioner Motor circuit poor electrical connection.
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 6,185

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Sep 09, 2019

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code P2111 Mercedes-Benz Description

The electronic throttle control system can monitor the system operation in manner ways. The actual position can be monitored by the Engine Control Module (ECM). This will be mapped against the desired throttle position. The current flow through the motor is also monitored. These data parameters allow very precise fault codes to be logged such as actuator stuck, ice blockage, unmetered air entering the intake manifold, etc.

OBDII Code P2111 Mercedes-Benz - Throttle Actuator 'A' Control System Stuck Open - AutoCodes.com — P2111 Mercedes-Benz Code - Throttle Actuator 'A' Control System Stuck Open

What does this mean?

What are the Possible Causes of the DTC P2111 Mercedes-Benz?

Faulty Throttle Positioner Motor
Throttle Positioner Motor harness is open or shorted
Throttle Positioner Motor circuit poor electrical connection
Faulty Throttle Positioner Motor Sensor

How to Fix the DTC P2111 Mercedes-Benz?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What does this mean?

Code Tech Notes

Mercedes Benz Code = 0189 (Throttle valve actuator): Mechanical fault (P2111)

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P2111 Mercedes-Benz code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P2111 Mercedes-Benz code?

Need more information on how to fix the P2111 Mercedes-Benz code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P2111 Mercedes-Benz code diagnosed by a professional: Find a repair shop in your area

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P2111 Mercedes-Benz Code

1. What are the common symptoms of OBDII code P2111 in a Mercedes-Benz related to the Throttle Actuator 'A' Control System Stuck Open?

- Common symptoms include reduced engine power, rough idling, and the vehicle going into limp mode.

2. What can cause the Throttle Actuator 'A' Control System to be stuck open in a Mercedes-Benz triggering code P2111?

- Possible causes include a faulty throttle body, a malfunctioning throttle actuator, wiring issues, or a problem with the electronic throttle control system.

3. How can I diagnose the cause of OBDII code P2111 in my Mercedes-Benz?

- A comprehensive diagnosis usually involves scanning the vehicle's computer for codes, checking the throttle body and actuator for proper functionality, and inspecting the wiring for any damage.

4. Can OBDII code P2111 in a Mercedes-Benz be fixed without professional help?

- The complexity of the throttle control system usually requires professional diagnosis and repair to properly address and fix the underlying issue.

5. Is it safe to drive my Mercedes-Benz with OBDII code P2111 indicating the Throttle Actuator 'A' Control System Stuck Open?

- It is not recommended to drive the vehicle with this issue, as it can lead to unsafe driving conditions and potential further damage to the engine or other components.

6. How much does it typically cost to repair OBDII code P2111 in a Mercedes-Benz?

- The cost of repair can vary depending on the exact cause of the issue, but it may involve replacing the throttle body, throttle actuator, or addressing wiring problems, which can range from a few hundred to over a thousand dollars.

7. Can resetting the OBDII code P2111 in a Mercedes-Benz temporarily solve the issue?

- Resetting the code may temporarily clear the warning light, but if the underlying problem is not addressed, the code is likely to reappear once the issue persists.

8. Are there any preventive maintenance tips to avoid OBDII code P2111 in a Mercedes-Benz?

- Regularly servicing the throttle body, keeping up with recommended maintenance schedules, and addressing any engine performance issues promptly can help prevent issues leading to code P2111.

9. How long does it typically take to repair OBDII code P2111 related to the Throttle Actuator 'A' Control System in a Mercedes-Benz?

- The repair time can vary depending on the exact cause and complexity of the issue, but it may take a few hours to a full day for a professional technician to diagnose and fix the problem.

10. Will OBDII code P2111 cause permanent damage to the engine of a Mercedes-Benz if left unresolved?

- Ignoring code P2111 can lead to further engine damage and worsen driving conditions over time, potentially resulting in more extensive and costly repairs if not addressed promptly.